Add Peter Pentchev's Python solutions to 286

Also fix a couple of things in the other files:
- make the TAP test functions accept an arrayref for the command to run
  instead of a single string, since we want to run the Python solution using
  `python3 -B -u /path/to/the/program`
- fix the use of Test::More::skip() in the Self Spammer test function
- fix a shadowed variable in the Order Game test function
- correct the indentation in the documentation's "Implementation details" section
- make the README file a copy of docs/index.md instead of a wrong copy of
  a completely different project's README file
- point blog.txt to the Ringlet copy of this challenge's documentation

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-286/ppentchev/python/pyproject.toml b/challenge-286/ppentchev/python/pyproject.toml
new file mode 100644
index 0000000000..1b9e32ae87
--- /dev/null
+++ b/challenge-286/ppentchev/python/pyproject.toml
@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: Peter Pentchev <roam@ringlet.net>
+# SPDX-License-Identifier: BSD-2-Clause
+
+[tool.mypy]
+strict = true
+
+[tool.ruff]
+extend = "ruff-base.toml"
+output-format = "concise"
+preview = true
+
+[tool.ruff.lint]
+select = ["ALL"]
+
+[tool.test-stages]
+stages = [
+  "@check and @quick and not @manual",
+  "@check and not @manual",
+]